1993 年 12 巻 3-4 号 p. 3-4_17-3-4_21
Glaucoma is one of the leading causes of blindness, despite its infrequency of occurrence. The most effective means of detecting early glaucoma in humans is the fundus examination, which is too difficult to perform in animals. What is the most effective test for experimental animals? It must be an objective test. Tonometry seems to be an effective way of determining a glaucomatous condition in animals, and it is easy to use, has, less need of anesthesia, and is gentle to the eyes. In this paper, I give a short history of the principles of some kinds of tonometers, and I recommend the Tono-Pen as an adequate.